quality

(music) the distinctive property of a complex sound (a voice or noise or musical sound).

A degree or grade of excellence or worth.

“the quality of students has risen”

A characteristic property that defines the apparent individual nature of something.

“each town has a quality all its own”

An essential and distinguishing attribute of something or someone.

“the quality of mercy is not strained”

High social status.

“a man of quality”

Of superior grade.

“quality paper”

Of high social status.

“people of quality”

“a quality family”